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Mineral Resources > Online Spatial Data > Geology > by state > Texas Geology

Geologic units in Houston county, Texas

Cadell Formation (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 2 % of this area

Cadell Formation

Lithology: siltstone; clay or mud; sandstone; sand

Terrace deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 4 % of this area

Terrace deposits

Lithology: terrace; sand; gravel; silt; clay or mud

Queen City Sand (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 4 % of this area

Queen City Sand

Lithology: sandstone; siltstone; clay or mud; sand

Yegua Formation (Phanerozoic | Cenozoic | Tertiary | Eocene-Middle) at surface, covers 31 % of this area

Yegua Formation

Lithology: clay or mud; sandstone; limestone; coal

Sparta Sand (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 17 % of this area

Sparta Sand

Lithology: sand; clay or mud; silt; sandstone; coal

Wellborn Formation (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 0.8 % of this area

Wellborn Formation

Lithology: sandstone; sand ; clay or mud; coal

Weches Formation (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 4 % of this area

Weches Formation

Lithology: sand; clay or mud

Beaumont Formation, areas predominantly sand (Phanerozoic | Cenozoic | Quaternary | Pleistocene-Late) at surface, covers 2 % of this area

Beaumont Formation, areas predominantly sand

Lithology: sand; silt; clay or mud; gravel

Deweyville Formation (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene (?)) at surface, covers 0.5 % of this area

Deweyville Formation

Lithology: sand; silt; clay or mud

Manning Formation (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers < 0.1 % of this area

Manning Formation

Lithology: clay or mud; sand; bentonite; sandstone; siltstone; coal

Cook Mountain Formation (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 21 % of this area

Cook Mountain Formation

Lithology: clay or mud; sandstone; coal

alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 14 % of this area

alluvium

Lithology: sand; silt; clay or mud; gravel